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Prothena Corp Public (PRTA) Shares Outstanding (Diluted Average): 2013-2025

Historic Shares Outstanding (Diluted Average) for Prothena Corp Public (PRTA) over the last 9 years, with Sep 2025 value amounting to $53.8 million.

  • Prothena Corp Public's Shares Outstanding (Diluted Average) rose 0.07% to $53.8 million in Q3 2025 from the same period last year, while for Sep 2025 it was $53.8 million, marking a year-over-year increase of 0.07%. This contributed to the annual value of $53.8 million for FY2024, which is 1.04% up from last year.
  • As of Q3 2025, Prothena Corp Public's Shares Outstanding (Diluted Average) stood at $53.8 million, which was up 0.01% from $53.8 million recorded in Q2 2025.
  • Prothena Corp Public's Shares Outstanding (Diluted Average)'s 5-year high stood at $58.0 million during Q3 2023, with a 5-year trough of $40.2 million in Q1 2021.
  • For the 3-year period, Prothena Corp Public's Shares Outstanding (Diluted Average) averaged around $54.1 million, with its median value being $53.8 million (2024).
  • Its Shares Outstanding (Diluted Average) has fluctuated over the past 5 years, first rose by 28.28% in 2021, then decreased by 8.24% in 2022.
  • Over the past 5 years, Prothena Corp Public's Shares Outstanding (Diluted Average) (Quarterly) stood at $48.5 million in 2021, then declined by 2.26% to $47.4 million in 2022, then rose by 12.34% to $53.2 million in 2023, then increased by 1.04% to $53.8 million in 2024, then increased by 0.07% to $53.8 million in 2025.
  • Its Shares Outstanding (Diluted Average) stands at $53.8 million for Q3 2025, versus $53.8 million for Q2 2025 and $53.8 million for Q1 2025.